The Mavericks - Music For All Occasions
Jack Johnson - On and On
Béla Fleck - Tales From The Acoustic Planet v.II 'The Bluegrass Sessions'
Eric Clapton - Unplugged
Nickel Creek - This Side

Honorable Mentions include:

Dave Matthews Band - Crash
Days of the New - Days of the New
Every other Béla Fleck album I own
Van Morrison - Moondance
Ray LaMontagne - 'Till the Sun Turns Black
New Grass Revival - The Best Of New Grass Revival